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Spectral Bounds for Quasi-Twisted Codes
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Spectral Bounds for Quasi-Twisted Codes
classification
cs.IT
math.IT
keywords
boundscodesquasi-twistedspectraltheyanalysiscyclicdistance
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New lower bounds on the minimum distance of quasi-twisted codes over finite fields are proposed. They are based on spectral analysis and eigenvalues of polynomial matrices. They generalize the Semenov-Trifonov and Zeh-Ling bounds in a manner similar to how the Roos and shift bounds extend the BCH and HT bounds for cyclic codes.
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